20448927 has 6 divisors (see below), whose sum is σ = 29537352. Its totient is φ = 13632612.

The previous prime is 20448917. The next prime is 20448941. The reversal of 20448927 is 72984402.

20448927 is nontrivially palindromic in base 5.

It is not a de Polignac number, because 20448927 - 2¹¹ = 20446879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20448891 and 20448900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20448917) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1136043 + ... + 1136060.

It is an arithmetic number, because the mean of its divisors is an integer number (4922892).

Almost surely, 2^20448927 is an apocalyptic number.

20448927 is a deficient number, since it is larger than the sum of its proper divisors (9088425).

20448927 is a wasteful number, since it uses less digits than its factorization.

20448927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272109 (or 2272106 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 20448927 is about 4522.0489824857. The cubic root of 20448927 is about 273.4577114225.

The spelling of 20448927 in words is "twenty million, four hundred forty-eight thousand, nine hundred twenty-seven".